7 Troubleshooting
SMA Solar Technology America LLC
User ManualSTP50-US-40-BA-en-1052
Event number Message, cause and corrective measures
10352
Webconnect error: Faulty communication
10353
Webconnect error: registration of the SIP registry has not responded
10502
Active power limited AC frequency
10901
Start self-test [xx]
10902
Uac RPro [xxx] V
10903
Uac Max [xxx] V
10904
Uac Min [xxx] V
10905
Uac Min Fast [xxx] V
10906
Fac SwMax [xxx] Hz
10907
Fac SwMin [xxx] Hz
10908
Fac Max [xxx] Hz
10909
Fac Min [xxx] Hz
10910
Disconn. threshold [xxx] [xx]
10911
Stand. Val. [xxx] [xx]
10912
Disconn. time [xx] s
27103
Set parameter
The parameter changes are being adopted.
27104
Parameters set successfully
The parameter changes were successfully adopted.
27107
Update file OK
The update file found is valid.
27301
Update communication
The inverter is updating the communication component.
27302
Update main CPU
The inverter is updating the inverter component.
27312
Update completed
The inverter has successfully completed the update.
29001
Inst. code valid
The entered GridGuard code is valid. Protected parameters have now been
unlocked and you can adjust the parameters. The parameters will be automati-
cally locked again after ten feed-in hours.
29004
Grid parameters unchanged
Changing the grid parameters is not possible.
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